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A101093 Second partial sums of sixth powers (A001014). 1
1, 66, 860, 5750, 26265, 93436, 278256, 725220, 1703625, 3682030, 7431996, 14167946, 25730705, 44823000, 75305920, 122566056, 193963761, 299373690, 451829500, 668285310, 970507241, 1386109076, 1949746800, 2704487500 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

C. Rossiter, Depictions, Explorations and Formulas of the Euler/Pascal Cube.

FORMULA

a(n) = {(n*(1 + n)^2*(2 + n)*(-1 + n*(2 + n))*(-2 + 3*n*(2 + n)))/168}.

CROSSREFS

Cf. A000540.

Sequence in context: A129218 A046409 A128952 * A056468 A027785 A196789

Adjacent sequences:  A101090 A101091 A101092 * A101094 A101095 A101096

KEYWORD

easy,nonn

AUTHOR

Cecilia Rossiter (cecilia(AT)noticingnumbers.net), Dec 15 2004

EXTENSIONS

Edited by Ralf Stephan, Dec 16 2004

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Last modified February 17 11:18 EST 2012. Contains 206011 sequences.